Remove OnRecordingDisabled() metrics client interface.

blimp/engine/app/blimp_metrics_service_client.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_
 #define BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 29 matching lines @@
   // The request_context_getter is a system request context.
   // Both must remain valid for client lifetime.
   BlimpMetricsServiceClient(
       PrefService* pref_service,
       scoped_refptr<net::URLRequestContextGetter> request_context_getter);
   ~BlimpMetricsServiceClient() override;
 
   // metrics::MetricsServiceClient implementation.
   metrics::MetricsService* GetMetricsService() override;
   void SetMetricsClientId(const std::string& client_id) override;
-  void OnRecordingDisabled() override;
   bool IsOffTheRecordSessionActive() override;
   int32_t GetProduct() override;
   std::string GetApplicationLocale() override;
   bool GetBrand(std::string* brand_code) override;
   metrics::SystemProfileProto::Channel GetChannel() override;
   std::string GetVersionString() override;
   void OnLogUploadComplete() override;
   void InitializeSystemProfileMetrics(
       const base::Closure& done_callback) override;
   void CollectFinalMetricsForLog(const base::Closure& done_callback) override;
@@ skipping 14 matching lines @@
   std::unique_ptr<metrics::MetricsStateManager> metrics_state_manager_;
   std::unique_ptr<metrics::MetricsService> metrics_service_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpMetricsServiceClient);
 };
 
 }  // namespace engine
 }  // namespace blimp
 
 #endif  // BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_